While trying to export.BAK file while using Veeam Explorer, it gives the following message what could be the issue.
This same error appear by using instant recovery, recovering to the same location and alternate location, in addition to restore DB file to the same location and alternate location.
DB Unable to attach database. | Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression. | The statement has been terminated.
